CN101243123B - Deformable polystyrene foam board - Google Patents
Deformable polystyrene foam board Download PDFInfo
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- CN101243123B CN101243123B CN200680030498XA CN200680030498A CN101243123B CN 101243123 B CN101243123 B CN 101243123B CN 200680030498X A CN200680030498X A CN 200680030498XA CN 200680030498 A CN200680030498 A CN 200680030498A CN 101243123 B CN101243123 B CN 101243123B
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- evoh
- vinyl alcohol
- ethylene copolymer
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
- C08J2201/03—Extrusion of the foamable blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
- C08J2325/06—Polystyrene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2429/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
Abstract
Provided are methods for producing a high strength, but easily deformed, polystyrene foam board that can endure repeatedly deformations from its original configuration into more complex curved shapes without damaging the board integrity or substantially reducing its structural strength. Also provided are rigid polystyrene foam boards produced by this method that exhibit improved bending and impact resistance while substantially retaining or improving other properties, for example, the thermal dimensional stability and fire resistance, exhibited by corresponding conventional XPS foam boards. The foamable compositions may incorporate one or more of a variety of polymer processing aids for the purpose of altering the performance of the final foam products, thereby allowing the properties of the final foam product to be customized to some degree.
Description
Technical field
The present invention relates to be used to prepare the compsn and the method for rigid extruded polystyrene (XPS) foam board of HS-Yi deformation (HS-ED); This rigid extruded polystyrene foam board is applicable to isolated Application Areas; The outside isolated decorative system (EIFS), the highway isolation structure of non-planar surfaces and the structural foam body product that are used for building slab especially.The corresponding foam sheet section product that the hard polystyrene foam board that makes according to the present invention also adopts conventional composition and method to make has improved shock resistance, therefore also applicable to manufacturing structure foam system article.It (is that cell density is generally about 10 that the present invention also can be used for conventional porousness foams
4-10
6Abscess/cubic centimetre), the fine-celled foam body (is that cell density is generally about 10
7-10
9The foams of abscess/cubic centimetre), also can be used for the ultramicropore foams (is that cell density is generally about 10
9-10
12The foams of abscess/cubic centimetre).Because when the average bubble hole size of specified material reduced, its expansion factor also descended, and coalescence and the thicker cell wall of maintenance through at least partly reducing abscess, be tending towards being improved for the polymer strength that keeps the abscess globality.
Background technology
The present invention relates to the foams insulation product; The present invention relates to especially and comprises a small amount of one or more additives; Comprise the for example extruded polystyrene foams of the additive of one or more Vinylites, add the required combination that little additive should be enough to realize flexibility and intensity.The rigid extruded polystyrene foam board that makes according to the present invention at room temperature; In manufacturing has the shaped sheet form process of one or more arcs, bending or deformation, can carry out repeated deformation and resilience, be full of cracks or fracture can not take place, original thermal property and physicals in the time of keeping this sheet material undeformed substantially again.
As you know, the frothing foam body completely cuts off plate to have and can deformation become the various shapes that are adapted to the building slab design, keeps the performance of its structure and the integrity that completely cuts off simultaneously again, is particularly advantageous to building field.This performance is for being desirable with the isolated plate of frothing foam body as the isolated plate of exterior wall or as the underground isolated plate of highway of the cement components with fluctuating shape, crooked, waviness or other circular arc complex outline.
Summary of the invention
The present invention relates to the production of the hard polystyrene foam board of HS-Yi deformation (HS-ED); This sheet material can become curved shape deformation by the initial repeated deformation of plane configuration basically; And the globality that resilience, be full of cracks or sheet material do not take place is impaired; Even or behind repeated deformation, the structural strength of sheet material can not reduce basically yet.The hard polystyrene foam board of manufacturing of the present invention has higher anti-bending and shock resistance; Thereby the use properties and the handling property of the slim extruded polystyrene foam board of hard have been improved; Keep basically simultaneously or improved other performance that corresponding conventional extruded polystyrene foam board is had, for example size thermostability and resistivity against fire.
In this polymer melt, can comprise multiple polymers processing aid (PPA) to change the processing characteristics of polymer melt; Comprising the surface properties that for example reduces melt fracture, the various polyolefin articles of improvement; Improve stability; Reduce shearing force, under the condition of similar or the power that reduces, improve output, improve the temperature control of melt and the friction that reduces melt.Equally, can manufacturing property and the blend composition that shows the foams that are different from basic PS to form through add the composition that one or more other polymkeric substance and multipolymer change base polymer to melt.Can customize the various required performances of final foam product of hoping purposes in such a way to a certain extent.
Description of drawings
In the face of the detailed description of the various embodiments of the present invention and the explanation of accompanying drawing, can be well understood to characteristic of the present invention and concrete operations through down.Provide these accompanying drawings just as illustrative purposes rather than draw in proportion.In order to make accompanying drawing clearer with the expression of corresponding explanation, all unitary spatial relation shown in each embodiment and relative size possibly dwindled, amplified or arranged again.Therefore, can not think that accompanying drawing has accurately reflected the relative size or the position of each possible corresponding structural unit in the embodiment of the present invention.
Fig. 1 is the illustrative extrusion moulding apparatus synoptic diagram that is applicable to the embodiment of the present invention method,
Fig. 2 is another the illustrative extrusion moulding apparatus synoptic diagram that is applicable to the embodiment of the present invention method,
Fig. 3 A and Fig. 3 B are illustrated be the first pliability test process and
Fig. 4 A and Fig. 4 B are illustrated to be the second pliability test process.
At length introduced embodiment below, be fully and fully to the disclosed content of those skilled in the art, and covered four corner of the present invention.Under the situation of the scope of the invention, principle of the present invention can be used in the multiple different embodiment with characteristic.In fact, those skilled in the art will be readily appreciated that, can form each shown in Fig. 1 and Fig. 2 to change or revises to constitute multiple forcing machine and construct.Yet everybody will understand, the importantly composition of squeeze-up, rather than concrete forcing machine structure, and the advantage of consequent beyong contemplation is explained hereinafter in detail.
Embodiment
According to foam board of the present invention; Polystyrene foam board particularly; Be through adding the flexibility that a certain amount of one or more Vinylites effectively improve polymkeric substance to polymer melt, and keep basically simultaneously by PS or by PS and other polymkeric substance and/or multipolymer mutually the foam board that makes of blend intensity and make.So; The easy at ambient temperature and repetition deformation of rigid extruded polystyrene foam board constructed in accordance; Thereby compare with conventional rigid extruded polystyrene foams; Can be made into the less curved surface of radius-of-curvature, and don't resilience, be full of cracks or fracture can take place, generally can also keep other necessary performance of conventional foams simultaneously.Because the rigid extruded polystyrene foam board that makes according to the present invention is with the combination of flexibility and intensity, thereby be suitable for making the product of complicated shape especially.
Can pass through conventional extrusion process according to hard closed cell polymeric foam body of the present invention; Employing is selected from the Vinylite of vinyl acetate (EVA), Z 150PH (PVA), vinyl alcohol/ethylene copolymer (EVOH), polyvinylidene dichloride (PVDC), SE (PVC), vinylchlorid/vinylidene chloride copolymer and vinylidene chloride/methyl acrylate copolymer, and one or more whipping agents and other additive and/or polymer processing aids (PPA) make.Though do not hope fettered by any particular theory; But can infer; In PS or polystyrene blend resin, add the relevant advantageous effect of one or more Vinylites; But having improved deformation behavior particularly in the foams of processing, is (part be) at least because in the Vinylite due to the hydrogen bonding action of oh group.Meet other polymkeric substance and the multipolymer that gather acid and polymeric amide etc. that for example contain suitable hydroxyl or other polar substituent comprising of this theory and can have similar functionality.
A kind of representative Vinylite is ethylene-vinyl alcohol (EVOH) copolymer resin; The therein ethylene copolymerization ratio is about 20-40 mole %; More common about 30-34 mole % of being (adopting carat to draw (Kuraray) EV-QC-4.17 determination of test method); Melt index under 190 ℃ restrains/10 minutes for about 1-2; More common melt index under 210 ℃ restrains/10 minutes for about 2.5-5 for about 1.4-about 1.8 restrains/10 minutes, and more common is about 4 grams of about 3-/10 minutes (employing ASTM (ASTM)-D1505 determination of test method).
Extruded polystyrene polymer foam of the present invention can adopt twin screw (the low shearing) and single screw rod (high-shear) forcing machine to prepare.Forcing machine commonly used comprises that selected preparation is housed mixes Vinylite or the pellet of Vinylite mixture or a plurality of feeders of bead in the polystyrene melt, and wherein pellet or bead are admitted in the forcing machine with base polymeric composition with through other polymerization process auxiliary agent (PPA) or additive that a plurality of opening for feeds infeed through forcing machine in the feeder.The general process of preparation extrusion molding foam body product comprises makes the base polymeric composition fusion, to steps such as one or more whipping agents of polymer melt blending and other additives.These compsns are that whipping agent, additive and base polymer are mixed fully, prevent simultaneously to prepare under the condition of mixture foaming too early, blended composition is remained under the higher pressure at least to mixing process accomplish and prepare.
Then, generally the temperature with this expandable mixtures is adjusted to the goods die temperature, and this temperature can be lower than the temperature that foaming mixtures is extruded from outlet of extruder slightly.Make this expandable mixtures carry out extrusion molding subsequently through one or more snippets extruded mould, make simultaneously the pressure of expandable mixtures reduce to normal atmosphere or even be lower than barometric point so that this mixture foaming and be made for foamed products.The rapid expansion of mixture tends to make foaming composition to cool off to some extent, but auxiliary cooling step also capable of using is as immersing in the cooling bath to quicken cooling.
As you know, the mode of the relative content of polymkeric substance, whipping agent and additive and blowing temperature, reduction pressure (for example a multistep step-down or a step step-down) and environment and any following process of extruded polymer all can influence one or more surface qualities and the mechanical property of processing foam product.After the extrusion step, can carry out other procedure of processing to foams and comprise for example dynamic/static cooling, shaping, cutting and packing.
As shown in Figure 1; The extrusion moulding apparatus 100 that is used to implement according to the inventive method can comprise single screw rod or twin screw (not shown) forcing machine; This forcing machine comprises the machine barrel 102 that surrounds screw rod 104; Have scroll screw thread 106 on the screw rod so that compressive action to be provided, thereby can heating material be imported in the screw extrusion press.As shown in Figure 1, base polymeric composition is with charge of flowable solids such as bead, particle or pellet, or with liquid state or semi liquid state melt, infeeds this screw extrusion press from one or more (not shown) loading hoppers 108.
When base polymeric composition be sent to, when the screw extrusion press because the pitch of screw thread 106 is diminishing on the screw rod, thereby polymer compsn receives screw rod revolving force squeezing action forward through diminishing screw channel.Volume-diminished can make the temperature of polymer compsn raise and obtain polymer melt (if adopting solid material) and/or polymer-melt temperature is raise.
When polymer compsn be sent to, when the screw extrusion press 100; Configurable one or more aperture is to connect machine barrel 102 and the device that is connected 110, and device 110 can be configured in vinyl alcohol-ethylene copolymer (EVOH) and one or more other polymer processing aids injection of polymer compsns.Equally, configurable one or more apertures are to connect machine barrel 102 and the device that is connected 112, and device 112 can be configured in one or more whipping agent injection of polymer compsns.In case polymer processing aids and whipping agent have been imported in the polymer compsn, formed mixture is carried out blend fully further,, every kind of additive obtains the extrusion molding compsn so that being evenly dispersed in the polymer compsn.
Then, this extrusion molding compsn power that is squeezed gets into step-down zone (this areal pressure can be lower than barometric point) through extruded mould 114 and extrusion die, and makes the whipping agent foaming and form polymer foam layer or foam block.Thickness and other performance of the polymeric foam product that this polymer foam can be again obtains with adjusting through other procedure of processing such as calendering, water logging, cold water spray or other operation.
As shown in Figure 2; The extrusion moulding apparatus 200 that is used to implement according to the inventive method can comprise single screw rod or twin screw (not shown) forcing machine; This forcing machine comprises the machine barrel 202 that surrounds screw rod 204; Have scroll screw thread 206 on the screw rod so that compressive action to be provided, thereby can heating material be imported in the screw extrusion press.As shown in Figure 2; Base polymeric composition can be chosen wantonly and vinyl alcohol-ethylene copolymer (EVOH), one or more other polymer processing aids compoundings mutually; With charge of flowable solids form such as bead, particle or pellet, or infeed the screw extrusion press from one or more (not shown) loading hoppers 208 with liquid state or semi liquid state melt form.
When base polymeric composition be sent to, when the screw extrusion press because the pitch of screw thread 206 is diminishing on the screw rod, thereby the squeeze effect that polymer compsn receives the screw rod revolving force is forward through diminishing screw channel.Volume-diminished can make the temperature of polymer compsn raise and obtain polymer melt (if adopting solid material), and/or polymer-melt temperature is raise.
When polymer compsn be sent to, when the screw extrusion press 200; Configurable one or more aperture to be to connect machine barrel 202 and the device that is connected 212, install 212 can be configured for one or more whipping agents and choose any one kind of them or multiple polymers processing aid injection of polymer compsn in.When in case the polymkeric substance of desired number, polymer processing aids and whipping agent have been imported in the screw extrusion press; Again formed mixture is carried out further fully blend, obtain the extrusion molding compsn so that every kind of additive is evenly dispersed in the polymer compsn.
Then, this extrusion molding compsn power that is squeezed gets into step-down zone (this areal pressure possibly be lower than barometric point) through extruded mould 214 and extrusion die, and makes whipping agent foaming, formation polymer foam layer or foam block.As shown in Figure 2; When the opening that progressively enlarges in forward through mould through the polymeric blends of extrusion molding, the pressure that acts on polymkeric substance is reduced gradually, perhaps the appropriate device (not shown) in the downstream through placing extruded mould reduces the pressure that is applied on the polymeric blends with the mode that is controlled to a certain degree gradually.This polymer foam also can be operated thickness and other performance of the polymeric foam product that obtains with control through other processing as calendering, water logging, cold water spray or other.
Can be about 250 ℃ of about 200-in melt mix temperature according to extruded polystyrene foam product of the present invention; Be generally about 240 ℃, the mould melt temperature is generally about 120 ℃ for about 130 ℃ of about 100-; Die pressure is about 50-80 crust (5-8 MPa); Be generally about 60 crust (6 MPa), adopt hydrochlorofluorocarsolvent (HCFC) 142b whipping agent, add or do not add under the foaming operation condition of carbonic acid gas auxiliary blowing agent or other frothing aid and make.Ratio of expansion is a foam thickness and the ratio in extrusion mould-outlet gap can be about 20-70, is generally about 60.
Can use multiple whipping agent to be used to form expandable mixtures, comprise hydrochlorofluorocarsolvent (HCFC), hydrofluorocarbon (HFC), CO
2, H
2O, rare gas element, hydrocarbon and their mixture.Those skilled in the art are all known; Though some whipping agent can be used to embodiment of the present invention; But consider some other factor; CFCs (CFC) compounds particularly, perhaps hydrochlorofluorocarsolvent (HCFC) and hydrofluorocarbon (HFC) compound all can destroy the ozonosphere of the earth and be limited to be widely used.Though hydro carbons for example pentane, hexane and pentamethylene is comparatively useful to ozonosphere, can relate to safety and volatile organic compound (VOC) emission problem.
Conventional whipping agent system can comprise a kind of compsn that comprises one or more whipping agents, and this whipping agent system also can be mixed confession mutually with one or more polymer processing aidses (PPA) and injected.This system for example comprises: content is about 14% for about 8-in expandable mixtures, is more generally about 11% hydrochlorofluorocarsolvent (HCFC) 142b; Content is about 10% for about 4-, and being more generally hydrofluorocarbon (HFC)-134a of about 5.5% is that about 3% ethanol combines with content; Content is about 6% for about 3-, and the carbonic acid gas that is generally about 3.5-about 4.0% is that about 1.8% ethanol combines and/or combines with one or more other polymer processing aidses (PPA) with content.One or more performances that this polymer processing aids (PPA) can be used for improving the foamed products that solubleness or distribution and/or the change of whipping agent in expandable mixtures process are per-cent, surface quality and the density foam of perforate for example.
The reference examples that will prepare embodiment and conventional hard polystyrene foam board below through the representativeness of hard polystyrene foam board of the present invention comes that the present invention will be described, and these embodiment adopt 1) with flat die and combined twin screw lower melting point (LMP) forcing machine and 2 of typified form) forcing machine of connecting with the radial die head and the combined single screw rod of shaper that moves under water.Make in the line at above-mentioned two kinds of pilot scales, also can impose decompression in the foams outlet.
Table 1 shows the processing conditions of embodiment and control Example employing twin screw extruder, does not wherein add vinyl alcohol-ethylene copolymer (EVOH) in the control Example.Vinyl alcohol-ethylene copolymer (EVOH) is F171 (32 moles of % vinyl alcohol-ethylene copolymers (EVAL) level material) preparation of being made by Eval Company of America.The polystyrene resin that adopts is the NOVA1220 that NOVA Chemical Inc. makes, and its melt index is about 1.6 grams/10 minutes.The hexabromocyclododecane of stabilization (HBCDSP-75 of Great Lakes Chemical system) adds as fire retardant, and addition is about 1 weight % of solid state foam body polymkeric substance.Other additive comprises about 0.5 weight % talcum powder and trace tinting material.
Table 1
| Component/parameter | Embodiment | Reference examples |
| Weight % vinyl alcohol-ethylene copolymer (EVOH) | 0.5-2.5 | 0 |
| Weight % talcum powder | 0.5 | 0.5 |
| Weight %CO 2 | 3.7 | 3.7 |
| Weight % ethanol | 1.5 | 1.5 |
| Forcing machine pressure, kPa (pound/square inch) | 13000-17000 (1885-2466) | 15800(2292) |
| The mould melt temperature, ℃ | 117-123 | 121 |
| Die pressure, kPa (pound/square inch) | 5400-6600 (783-957) | 5600(812) |
| LV, rice/hour (feet per minute clock) | 110-170 (6-9.3) | 97(5.3) |
| Extrusion capacity, kilogram/ |
100 | 100 |
| Die gap, millimeter | 0.6-0.8 | 0.8 |
| Decompression, kPa (inch of mercury) | 0-54 (0 to 16) | 51(15) |
List two embodiment of the invention with differing ethylene alcohol-ethylene copolymer (EVOH) concentration and physical size and foam performance and the extruded polystyrene foam product of a control Example in the table 2, then they have been carried out compressive strength and deformation (bending) assessment.
Table 2
| Reference examples | Embodiment 1 | Embodiment 2 | |
| Vinyl alcohol-ethylene copolymer, weight % | 0 | 2.5 | 0.5 |
| Sheet metal thickness-millimeter (inch) | 26.64 (1.049) | 25.50 (1.004) | 25.17 (0.991) |
| Density (kilograms per cubic meter) | 29 | 33 | 30 |
Compressive strength and deformation (bending) assessment result is detailed lists in the table 3.
Table 3
| Reference examples | Embodiment 1 | Embodiment 2 | |
| Compressive strength (kPa) | 221 | 234 | 214 |
| Pliability test 1 R f-millimeter (inch) 2 R c-millimeter (inch) 3 T r 4 | 813(32) NA NA | 38.1(1.5) 50.8(2) ＞10 | 45.7(1.8) 50.8(2) ＞10 |
1The TP that pliability test adopted is specified in [0038-43] section, sample be on the sheet material of large-size by with extrude direction and become across cutting.
2R
fBe damage radius, be specified in down.
3R
cBe critical radius, be specified in down.
4T
rBe that strip can approach R
cAnd measuring of destroyed test number (TN) not.
Visible by table 2, the vinyl alcohol-ethylene copolymer (EVOH) that adds few part to the expandable polystyrene (EPS) mixture for example is no more than flexibility and the weather resistance that can improve gained extruded polystyrene product when about 2.5 weight % (in solid state foam body polymkeric substance) tend to keeping compressive strength again significantly.Except keeping compressive strength, the thermal conductivity of example composition foams (about 0.2 watt of/meter Kelvin (aging after 180 days)) and flame retardant resistance (combustion time of small scale combustion test for about 15-17 second) and to contrast foams suitable.
Therefore; The invention provides the hard polystyrene foam board of a kind of HS-Yi deformation (HS-ED); The present invention has enlarged the Application Areas of extruded polystyrene barrier material; For example need form the occasion of different complicated shapes; Owing to the present invention can reduce or avoid the isolated plate of routine is carried out essential cutting and involution operation or simplified fitting operation for the needs of the configuration of the complicated shape of keeping customization or semi-custom, thereby reduced the labor cost of construction, the while still can keep or improve the isolation performance of the product of installing.
Deformation (bending) performance of listing in foam composition of the present invention and conventional foam composition in the table 3 adopts following step to evaluate.
Pliability test
Though the applicant does not recognize this TP and conventional ASTM (ASTM) or International Organization for Standardization TP and has identity property that the pliability test of having developed this guidance can be used to estimate and quantize the relative flexibility/ductility of various foams samples.This test does not plan not mean that all the mechanical flexibility performances to hard foam yet, like apparent modulus in flexure (measuring like U.S. material test (ASTM) D747) or differentiation elastic component and plastic component.Yet; This test provides better simply evaluation method to the bending radius apparent value that allows, and through maximum 10 times of foam board bending (if perhaps this sheet material can not enough tolerate repeated deformation for a long time go to pot) being measured the method for the weather resistance of foam board.
Other test that can be used to estimate extruded polystyrene foam product performance comprises the pliability test that all kinds are crooked, comprising free bend, guided bend (the for example E190 of ASTM (ASTM)), half guided bend (the for example E290 of ASTM (ASTM)) and the bending of reeling.Other test comprises socle girder modulus in flexure (the for example D747 of ASTM (ASTM)), and this test is confirmed apparent modulus in flexure through the angle of bend of mensuration power and socle girder.
These tests are to adopt 4 inches * 24 inches (10 * 61 centimetres) rectangular specimens that downcut from the extruded polystyrene sheet material to carry out.Sample thickness is exactly the thickness of institute's test products sheet material.Then these samples are carried out two kinds of different pliability tests.
Shown in Fig. 3 A and 3B; Test A is half guided bend test; Sample is placed on (Fig. 3 A) on the curved guide steady arm (this orienting locator is that diameter is the steel pipe that can select at 2 inches-6 inches (5 centimetres-15 centimetres)) in this test, and sample is applied sufficient force to force down two ends.When sample deformation, the be full of cracks that the epirelief zone C takes place in the middle of the test sample or other strain inducing produced possibly make the destroyed defective of sample.Amount of deflection when writing down each sample destruction or middle apart from Δ.Radius R during destruction
fCan calculate by formula (1):
R
f＝(L
2/8Δ)+Δ/2 (1)
L=measures the chord length (said sample is 24 inches) of amount of deflection in the formula
Δ=amount of deflection or middle distance are in inch.
Shown in Fig. 4 A and 4B, test B is 180 ° of pliability tests of sample self parallel direction, and this test is adopted and the identical curved guide steady arm of test A process.Sample is placed on the curved guide device and applies enough big power F and makes the opposite end of sample parallel-oriented shown in Fig. 4 A; The distance (radius of the arch section of sample) that parallel two ends are left each other reduces until sample to be destroyed, the for example middle convex domain generation of cracks that goes up.Record is as the critical radius R of this sample
cThe arch section radius.
Shown in Fig. 4 B, repeat sample is bent near primary critical radius to principal direction, upper convex surface has been observed the be full of cracks generation in the middle of (shown in dotted line) is bent to sample in the other direction then, perhaps to accomplishing bend cycles 10 times.When the record sample destroys or the cycle index T of test when stopping
r, i.e. T
r＞10.
Though the front is described non-limiting embodiments of the present invention; But as you know; Those skilled in the art can be conceived basically the present invention as herein described at an easy rate and make multiple change and/or change, and these changes and change still belong to spirit and scope that embodiment of the present invention and appended claims are stipulated.
Claims (22)
1. method of making expanded polystyrene foam body product, this method comprise,
Preparation is that PS, first a small amount of part are that crooked reagent and second a small amount of part are the foamable composite through pressurization that whipping agent is formed by major portion,
To get into through mould through the foamable composite extrusion molding of pressurization the lower pressure district form in the middle of foam product and
Cooling and this centre foam product of modification are to form the finished product foam product.
2. make the method for expanded polystyrene foam body product according to claim 1, wherein crooked reagent is selected from the following compound at least a: vinyl acetate (EVA), Z 150PH (PVA), vinyl alcohol/ethylene copolymer (EVOH), polyvinylidene dichloride (PVDC), SE (PVC), vinylchlorid/vinylidene chloride copolymer and vinylidene chloride/methyl acrylate copolymer.
3. make the method for expanded polystyrene foam body product according to claim 1, wherein crooked reagent is vinyl alcohol/ethylene copolymer (EVOH).
4. make the method for expanded polystyrene foam body product according to claim 1, wherein crooked reagent is vinyl alcohol/ethylene copolymer (EVOH) that 190 ℃ of following melt indexs are 1.5-1.8.
5. make the method for expanded polystyrene foam body product according to claim 1, wherein crooked reagent is that 190 ℃ of following melt indexs are that 1.5-1.8, ethene composition content are vinyl alcohol/ethylene copolymer (EVOH) of 30-34 mole %.
6. making the method for expanded polystyrene foam body product according to claim 1, is that content is the vinyl alcohol/ethylene copolymer (EVOH) that is lower than foamable composite 5 weight % in the crooked reagent of foamed products dry weight wherein.
7. making the method for expanded polystyrene foam body product according to claim 1, is that content is the vinyl alcohol/ethylene copolymer (EVOH) that is not higher than foamable composite 2.5 weight % in the crooked reagent of foamed products dry weight wherein.
8. make the method for expanded polystyrene foam body product according to claim 1, wherein crooked reagent is the vinyl alcohol/ethylene copolymer (EVOH) that is not higher than foamable composite 0.5 weight % in foamed products dry weight content.
9. make the method for expanded polystyrene foam body product according to claim 1, wherein crooked reagent contains a plurality of polar groups that can form hydrogen bond with PS.
10. make the method for expanded polystyrene foam body product according to claim 9, wherein main polar group is a hydroxyl.
11. a blown rigid styrofoam product, this product comprise the expanded polystyrene foam body product that the foamable composite be made up of following component obtains:
The PS of major portion,
The crooked reagent of first a small amount of part and
The whipping agent of second a small amount of part, wherein nominal thickness is 1 inch a horizontal sample destruction radius R
fLess than 12 inches.
12. according to the blown rigid styrofoam product of claim 11, wherein
The crooked reagent of this first a small amount of part is the mixture of at least two kinds of crooked reagent, and wherein
Second a small amount of partial foaming agent is the mixture of at least two kinds of whipping agents.
13. blown rigid styrofoam product according to claim 11; Wherein the crooked reagent of first a small amount of part comprises at least a at least a compound in vinyl acetate (EVA), Z 150PH (PVA), vinyl alcohol/ethylene copolymer (EVOH), polyvinylidene dichloride (PVDC), SE (PVC), vinylchlorid/vinylidene chloride copolymer and the vinylidene chloride/methyl acrylate copolymer that is selected from, and second a small amount of partial foaming agent comprises at least a hydrochlorofluorocarsolvent (HCFC), hydrofluorocarbon (HFC), the CO of being selected from
2, H
2O, rare gas element, at least a and their compound of mixture in the hydro carbons, wherein the damage radius R of the test A of the horizontal sample of 1 inch of nominal thickness
fLess than 12 inches.
14. according to the blown rigid styrofoam product of claim 11, wherein crooked reagent is vinyl alcohol/ethylene copolymer (EVOH).
15. according to the blown rigid styrofoam product of claim 11, wherein crooked reagent is vinyl alcohol/ethylene copolymer (EVOH) that 190 ℃ of following melt indexs are 1.5-1.8.
16. according to the blown rigid styrofoam product of claim 11, wherein crooked reagent is that 190 ℃ of melt indexs are 1.5-1.8, ethene consists of vinyl alcohol/ethylene copolymer (EVOH) of 30-34 mole %.
17. according to the blown rigid styrofoam product of claim 11, wherein crooked reagent is the vinyl alcohol/ethylene copolymer (EVOH) that is not higher than foamable composite 2.5 weight % in the dry weight content of foamed products.
18. according to the blown rigid styrofoam product of claim 11, wherein crooked reagent is the vinyl alcohol/ethylene copolymer (EVOH) that is not higher than foamable composite 1.0 weight % in the dry weight content of foamed products.
19. blown rigid styrofoam product according to claim 13; Wherein crooked reagent is the vinyl alcohol/ethylene copolymer (EVOH) that is not higher than foamable composite 2.5 weight % in the dry weight content of foamed products, and wherein nominal thickness is the R of 1 inch horizontal sample
fLess than 6 inches.
20. blown rigid styrofoam product according to claim 4; Wherein crooked reagent is the vinyl alcohol/ethylene copolymer (EVOH) that is not higher than foamable composite 2.5 weight % in the dry weight content of foamed products, and wherein nominal thickness is the R of 1 inch horizontal sample
fLess than 4 inches.
21. blown rigid styrofoam product according to claim 13; Wherein crooked reagent is the vinyl alcohol/ethylene copolymer (EVOH) that is not higher than foamable composite 2.5 weight % in the dry weight content of foamed products, and wherein nominal thickness is the R of 1 inch horizontal sample
fLess than 4 inches, according to the critical radius R of testing sequence A mensuration
cLess than 12 inches.
22. according to the blown rigid styrofoam product of claim 18, wherein nominal thickness is the R of 1 inch styrofoam product
fLess than 4 inches, according to the critical radius R of testing sequence B mensuration
cLess than 6 inches.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/208,987 US8314161B2 (en) | 2005-08-22 | 2005-08-22 | Deformable, rigid polystyrene foam board |
| US11/208,987 | 2005-08-22 | ||
| PCT/US2006/032317 WO2007024682A2 (en) | 2005-08-22 | 2006-08-18 | Deformable, polystyrene, foam board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101243123A CN101243123A (en) | 2008-08-13 |
| CN101243123B true CN101243123B (en) | 2012-05-23 |
Family
ID=37768083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200680030498XA Expired - Fee Related CN101243123B (en) | 2005-08-22 | 2006-08-18 | Deformable polystyrene foam board |
Country Status (8)
| Country | Link |
|---|---|
| US (4) | US8314161B2 (en) |
| EP (1) | EP1917298A2 (en) |
| JP (1) | JP2009504896A (en) |
| CN (1) | CN101243123B (en) |
| BR (1) | BRPI0615054B1 (en) |
| CA (1) | CA2616142C (en) |
| MX (1) | MX2008002469A (en) |
| WO (1) | WO2007024682A2 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8314161B2 (en) | 2005-08-22 | 2012-11-20 | Owens Corning Intellectual Capital, Llc | Deformable, rigid polystyrene foam board |
| US9752004B2 (en) | 2006-06-22 | 2017-09-05 | Owens Corning Intellectual Capital, Llc | Cell size enlargers for polystyrene foams |
| US9476202B2 (en) * | 2011-03-28 | 2016-10-25 | Owens Corning Intellectual Capital Llc | Foam board with pre-applied sealing material |
| CN102219962A (en) * | 2011-05-30 | 2011-10-19 | 江苏常盛管业有限公司 | Transformable polystyrene foaming sections |
| CN103435291B (en) * | 2013-07-16 | 2016-02-03 | 汪永辉 | A kind of Fire retardant foam wall body insulation board and preparation method thereof |
| KR20210109668A (en) * | 2013-11-15 | 2021-09-06 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | Data processor |
| KR101588294B1 (en) * | 2013-12-30 | 2016-01-28 | 삼성전자주식회사 | User termincal device for supporting user interaxion and methods thereof |
| US10608955B2 (en) * | 2014-11-25 | 2020-03-31 | Vmware, Inc. | Reverse breadth-first search method for optimizing network traffic in a distributed system with a point of convergence |
| CN106009353B (en) * | 2016-07-27 | 2018-04-03 | 尹军 | Graphite extruded sheet and its preparation technology are used in thermal insulation |
| CN114850652B (en) * | 2022-06-17 | 2024-04-12 | 广东省科学院中乌焊接研究所 | Friction material adding device and friction material adding method |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3589592A (en) * | 1967-03-01 | 1971-06-29 | Dow Chemical Co | Foam receptacle |
| US3696181A (en) * | 1970-03-20 | 1972-10-03 | Du Pont | Flash extursion of polyvinyl chloride |
| DE2327983B2 (en) | 1973-06-01 | 1976-08-19 | HORIZONTAL COOKING FURNACE WITH TRANSVERSAL GENERATORS | |
| US5057169A (en) * | 1981-03-23 | 1991-10-15 | The Crowell Corporation | Process of protecting a surface using a foam laminate |
| JPS5889623A (en) | 1981-11-24 | 1983-05-28 | Shin Etsu Chem Co Ltd | Manufacture of vinyl chloride-based resin expanded formed product |
| JPS6086130A (en) | 1983-10-19 | 1985-05-15 | Asahi Chem Ind Co Ltd | Manufacture of foamed vinyl chloride resin |
| US5128196A (en) | 1990-03-16 | 1992-07-07 | Amoco Corporation | Foamed core-reclaim multi-layer sheet and process for production thereof |
| US5332761A (en) | 1992-06-09 | 1994-07-26 | The Dow Chemical Company | Flexible bimodal foam structures |
| GB9405864D0 (en) | 1994-03-24 | 1994-05-11 | Anglian Windows Ltd | Plastics extrusions and method of extrusion thereof |
| US6063823A (en) | 1994-11-18 | 2000-05-16 | Dow Kakoh Kabushiki Kaisha | Polystyrene resin foam and process for producing the foam body |
| US5670552A (en) * | 1995-12-18 | 1997-09-23 | W. R. Grace & Co.-Conn. | Foam and process for producing foam using a carbon dioxide blowing agent |
| US6054529A (en) * | 1997-04-08 | 2000-04-25 | The Procter & Gamble Co. | Blends of and methods of blending EVOH polymers and ethylene based polymers having improved environmental stress cracking or environmental fatigue resistance, and products therefrom |
| CA2290007C (en) * | 1997-05-14 | 2006-07-11 | Basf Aktiengesellschaft | Method for producing expandable styrene polymers containing graphite particles |
| US5962545A (en) | 1997-06-23 | 1999-10-05 | The Dow Chemical Company | Method of enhancing open cell formation in alkenyl aromatic polymer foams |
| US6225363B1 (en) | 1998-04-07 | 2001-05-01 | Pactiv Corporation | Foamable composition using high density polyethylene |
| US6069183A (en) | 1998-04-07 | 2000-05-30 | Tenneco Packaging Inc. | Foamable composition using high density polyethylene |
| EP1124887B1 (en) * | 1998-10-21 | 2005-04-27 | Owens Corning | Process for producing extruded foam |
| US6048909A (en) | 1998-12-04 | 2000-04-11 | The Dow Chemical Company | Foams having increased heat distortion temperature made from blends of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic and/or sterically hindered aliphatic or cycloaliphatic vinyl or vinylidene interpolymers |
| US5993707A (en) | 1998-12-04 | 1999-11-30 | The Dow Chemical Company | Enlarged cell size foams made from blends of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic and/or sterically hindered aliphatic or cycloaliphatic vinyl or vinylidene interpolymers |
| US6174471B1 (en) | 1999-03-15 | 2001-01-16 | The Dow Chemical Company | Open-cell foam and method of making |
| DE19921386A1 (en) | 1999-05-10 | 2000-11-16 | Basf Ag | Open cell particle foams |
| EP1240242B1 (en) | 1999-12-07 | 2008-02-06 | Dow Global Technologies Inc. | Hydrogenated vinyl aromatic polymer foams |
| EP1164091B1 (en) | 2000-06-13 | 2004-12-29 | Silver-Plastics GmbH & Co. KG | Foam tray and method for making it |
| US7129297B2 (en) * | 2003-09-29 | 2006-10-31 | Fina Technology, Inc. | Polystyrene blends and a method of making same |
| JP2006131757A (en) | 2004-11-05 | 2006-05-25 | Kaneka Corp | Thermoplastic resin extrusion foam and its manufacturing method |
| US8314161B2 (en) | 2005-08-22 | 2012-11-20 | Owens Corning Intellectual Capital, Llc | Deformable, rigid polystyrene foam board |
-
2005
- 2005-08-22 US US11/208,987 patent/US8314161B2/en not_active Expired - Fee Related
-
2006
- 2006-08-18 JP JP2008528011A patent/JP2009504896A/en active Pending
- 2006-08-18 WO PCT/US2006/032317 patent/WO2007024682A2/en active Application Filing
- 2006-08-18 EP EP20060801833 patent/EP1917298A2/en not_active Withdrawn
- 2006-08-18 CN CN200680030498XA patent/CN101243123B/en not_active Expired - Fee Related
- 2006-08-18 BR BRPI0615054-3A patent/BRPI0615054B1/en not_active IP Right Cessation
- 2006-08-18 MX MX2008002469A patent/MX2008002469A/en active IP Right Grant
- 2006-08-18 CA CA 2616142 patent/CA2616142C/en not_active Expired - Fee Related
-
2007
- 2007-02-21 US US11/708,889 patent/US20070149628A1/en not_active Abandoned
-
2012
- 2012-10-10 US US13/648,331 patent/US8524792B2/en active Active
-
2013
- 2013-08-27 US US14/010,918 patent/US9150719B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| MX2008002469A (en) | 2008-04-07 |
| US20070043131A1 (en) | 2007-02-22 |
| CA2616142A1 (en) | 2007-03-01 |
| BRPI0615054A2 (en) | 2011-05-03 |
| US20070149628A1 (en) | 2007-06-28 |
| CA2616142C (en) | 2014-04-15 |
| WO2007024682A3 (en) | 2007-11-15 |
| US20130030069A1 (en) | 2013-01-31 |
| US20140011899A1 (en) | 2014-01-09 |
| BRPI0615054B1 (en) | 2019-06-18 |
| JP2009504896A (en) | 2009-02-05 |
| WO2007024682A2 (en) | 2007-03-01 |
| US9150719B2 (en) | 2015-10-06 |
| CN101243123A (en) | 2008-08-13 |
| US8524792B2 (en) | 2013-09-03 |
| US8314161B2 (en) | 2012-11-20 |
| EP1917298A2 (en) | 2008-05-07 |
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